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From: Peter Zijlstra <peterz@infradead.org>
To: Tom Lendacky <thomas.lendacky@amd.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>,
	Dan Williams <dan.j.williams@intel.com>,
	Mike Rapoport <rppt@kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Alexey Dobriyan <adobriyan@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Andy Lutomirski <luto@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
	Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	James Bottomley <jejb@linux.ibm.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	Linux API <linux-api@vger.kernel.org>,
	linux-mm <linux-mm@kvack.org>,
	the arch/x86 maintainers <x86@kernel.org>,
	Mike Rapoport <rppt@linux.ibm.com>
Subject: Re: AMD TLB errata, (Was: [PATCH RFC] mm: add MAP_EXCLUSIVE to create exclusive user mappings)
Date: Fri, 15 Nov 2019 15:31:14 +0100	[thread overview]
Message-ID: <20191115143114.GN4131@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <1da1b025-cabc-6f04-bde5-e50830d1ecf0@amd.com>

On Fri, Nov 15, 2019 at 08:12:52AM -0600, Tom Lendacky wrote:
> I talked with some of the hardware folks and if you maintain the same bits
> in the large and small pages (aside from the large page bit) until the
> flush, then the errata should not occur.

Excellent!

Thanks for digging that out Tom.


  reply	other threads:[~2019-11-15 14:31 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-27 10:17 [PATCH RFC] mm: add MAP_EXCLUSIVE to create exclusive user mappings Mike Rapoport
2019-10-27 10:17 ` Mike Rapoport
2019-10-28 12:31   ` Kirill A. Shutemov
2019-10-28 13:00     ` Mike Rapoport
2019-10-28 13:16       ` Kirill A. Shutemov
2019-10-28 13:55         ` Peter Zijlstra
2019-10-28 19:59           ` Edgecombe, Rick P
2019-10-28 21:00             ` Peter Zijlstra
2019-10-29 17:27               ` Edgecombe, Rick P
2019-10-30 10:04                 ` Peter Zijlstra
2019-10-30 15:35                   ` Alexei Starovoitov
2019-10-30 18:39                     ` Peter Zijlstra
2019-10-30 18:52                       ` Alexei Starovoitov
2019-10-30 17:48                   ` Edgecombe, Rick P
2019-10-30 17:58                     ` Dave Hansen
2019-10-30 18:01                       ` Dave Hansen
2019-10-29  5:43         ` Dan Williams
2019-10-29  6:43           ` Kirill A. Shutemov
2019-10-29  8:56             ` Peter Zijlstra
2019-10-29 11:00               ` Kirill A. Shutemov
2019-10-29 12:39                 ` AMD TLB errata, (Was: [PATCH RFC] mm: add MAP_EXCLUSIVE to create exclusive user mappings) Peter Zijlstra
2019-11-15 14:12                   ` Tom Lendacky
2019-11-15 14:31                     ` Peter Zijlstra [this message]
2019-10-29 19:43             ` [PATCH RFC] mm: add MAP_EXCLUSIVE to create exclusive user mappings Dan Williams
2019-10-29 20:07               ` Dave Hansen
2019-10-29  7:08         ` Christopher Lameter
2019-10-29  8:55           ` Mike Rapoport
2019-10-29 10:12             ` Christopher Lameter
2019-10-30  7:11               ` Mike Rapoport
2019-10-30 12:09                 ` Christopher Lameter
2019-10-28 14:55   ` David Hildenbrand
2019-10-28 17:12   ` Dave Hansen
2019-10-28 17:32     ` Sean Christopherson
2019-10-28 18:08     ` Matthew Wilcox
2019-10-29  9:28       ` Mike Rapoport
2019-10-29  9:19     ` Mike Rapoport
2019-10-28 18:02   ` Andy Lutomirski
2019-10-29 11:02   ` David Hildenbrand
2019-10-30  8:15     ` Mike Rapoport
2019-10-30  8:19       ` David Hildenbrand
2019-10-31 19:16         ` Mike Rapoport
2019-10-31 21:52           ` Dan Williams
2019-10-27 10:30 ` Florian Weimer
2019-10-27 11:00   ` Mike Rapoport
2019-10-28 20:23     ` Florian Weimer
2019-10-29  9:01       ` Mike Rapoport
2019-10-28 20:44 ` Andy Lutomirski
2019-10-29  9:32   ` Mike Rapoport
2019-10-29 17:00     ` Andy Lutomirski
2019-10-30  8:40       ` Mike Rapoport
2019-10-30 21:28         ` Andy Lutomirski
2019-10-31  7:21           ` Mike Rapoport
2019-12-05 15:34           ` Mike Rapoport
2019-12-08 14:10             ` [PATCH] mm: extend memfd with ability to create secret memory kbuild test robot
2019-10-29 11:25 ` [PATCH RFC] mm: add MAP_EXCLUSIVE to create exclusive user mappings Reshetova, Elena
2019-10-29 15:13   ` Tycho Andersen
2019-10-29 17:03   ` Andy Lutomirski
2019-10-29 17:37     ` Alan Cox
2019-10-29 17:43     ` James Bottomley
2019-10-29 18:10       ` Andy Lutomirski

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